Question 776967
using the elimination method help me solve x-y=10, and -x-y=20 for x and y
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x-y=10
-x-y=20
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Add to get:::
-2y = 30
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Divide both sides by -2 to get:
y = -15
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Solve for "x":::
x - y = 10
x --15 = 10
x +15 = 10
x = -5
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Cheers,
Stan H.
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